Level 1. FOLK, FLOCK, LOCK
Level 2. SIT, MIST, MISTY, ITS
Level 3. REST, TREE, STEER, RESET, SEE
Level 4. YET, PET, TYPE, TEMP, EMPTY
Level 5. CUP, COP, CHOP, POUCH, COUP
Level 6. FIRE, DIRE, RIDE, FRIED
Level 7. TEAR, REAL, RATE, ALERT, LATER
Level 8. ROPE, ROVE, OVER, PORE, PROVE, ORE
